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mistiehaas
21.02.2022 •
Physics
Trinity and a penguin get into an argument. The penguin gets angry and attacks her. Its mass is 5 kg and slides at 8 m/s, and Trinity is 40 kg and at rest. They collide and bounce apart. After the collision, the penguin is moving at 0 m/s. How fast is Trinity moving after the collision?
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Ответ:
velocity of Trinity = 1m/s
Explanation:
Conservation of Momentum equation
m1u1+m2u2=m1v1+m2v2.
m1 = mass of penguin
u1 = initial velocity of penguin
v1 = final velocity of the penguin
m2 = mass of Trinity
u2 = initial velocity of Trinity
v2 = final velocity of trinity
5kg • 8m/s + 40kg • 0m/s = 5kg • 0m/s + 40kg • v2
40kg•m/s = 40kg • v2
divide each side by 40kg
1m/s = v2
Ответ:
A) 0.1 Hz
Explanation: